Schewiakoff, 1926
In this suborder the proximal end of each spicule bears four to six lateral extensions, resembling leaves or blades. Spicules assembled in cell center into star-like structure with bases delimiting 22 pyramidal cavities. The pyramidal bases of the spicules bear four to six lateral leaves or blades on each ridge.
Three families:
Family Phyllostauridae
Family Stauracanthidae
Family Dictyacanthidae